/*
 * Copyright (c) 2011 Nikolaus Moll (developer (at) miblounge (dot) net).
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the Jombi project nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL JOMBI BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
package net.miblounge.jombi.impl.widgets;

import java.io.File;

import org.jowidgets.common.types.DialogResult;
import org.jowidgets.spi.widgets.IDirectoryChooserSpi;
import org.jowidgets.spi.widgets.setup.IDirectoryChooserSetupSpi;
import org.jowidgets.util.Assert;

import com.trolltech.qt.gui.QFileDialog;
import com.trolltech.qt.gui.QWidget;

public class DirectoryChooserImpl implements IDirectoryChooserSpi {

	private final QWidget parent;
	private final String title;
	private String dir;
	private String directoryName;

	public DirectoryChooserImpl(final Object parentUiReference, final IDirectoryChooserSetupSpi setup) {
		parent = (QWidget) parentUiReference;
		if (setup.getTitle() != null) {
			title = setup.getTitle();
		} else {
			title = "";
		}
	}

	@Override
	public Object getUiReference() {
		return null;
	}

	@Override
	public void setDirectory(final File file) {
		Assert.paramNotNull(file, "file");
		//directoryDialog.setFilterPath(file.getAbsolutePath());
	}

	@Override
	public DialogResult open() {
		directoryName = QFileDialog.getExistingDirectory(parent, title, dir);
		if (directoryName != null) {
			return DialogResult.OK;
		} else {
			return DialogResult.CANCEL;
		}
	}

	@Override
	public File getDirectory() {
		return new File(directoryName);
	}

	@Override
	public void setEnabled(final boolean enabled) {
		if (!enabled) {
			throw new IllegalArgumentException("Could not disable a file chooser");
		}
	}

	@Override
	public boolean isEnabled() {
		return true;
	}
}
